Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Passenger
SANTAMARIA
Passenger · Japan · last seen 35°N 135°E · Jun 2026 · MMSI 431000619 · Call sign JI3409
Not yet on Master's MateType
Passenger
Flag
JPNLength
45 m
Beam
12 m
Draft
2.8 m
Call sign
JI3409
IMO
9004011
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
8
SANTAMARIA is a Japanese 45-metre excursion vessel. She's built with a beam measuring 12 metres and a 2.8-metre draft. She broadcasts as MMSI 431000619, call sign JI3409, IMO 9004011. It's free to add SANTAMARIA to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SANTAMARIA safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 14:40 UTC
Position
34.6552° N, 135.4283° E
Status
Under way (engine)
Speed
0.0 kn
Course
185°
Destination
JP OSA 2T
Sailing the Sea of Japan? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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Joining the Safety Initiative Network doesn't just put SANTAMARIA on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SANTAMARIA and switch it all on
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About SANTAMARIA
What kind of vessel is SANTAMARIA?
SANTAMARIA is a Passenger flagged to Japan.
Where was SANTAMARIA last seen?
SANTAMARIA was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SANTAMARIA's MMSI?
SANTAMARIA's MMSI is 431000619. Call sign JI3409. IMO 9004011.
How big is SANTAMARIA?
SANTAMARIA is about 45 m long, 12 m on the beam, drawing 2.8 m.
Is SANTAMARIA on the Master's Mate Safety Initiative Network?
Not yet. If SANTAMARIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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